Siemens SIMATIC NET SCALANCE X-300M Compact Operating Instructions page 55

Media module slots
Transmitter output (optical) and receiver input
Table 8-6
Device version
(power supply)
12 VDC
24 VDC
* The shipbuilding approvals apply only with a supply voltage of 24 VDC (18 ... 31.2 VDC).
)
Table 8-7
Device version
(power supply)
12 VDC
24 VDC
Table 8-8
Device version
(power supply)
12 VDC
24 VDC
Table 8-9
Device version
(power supply)
12 VDC
24 VDC
SCALANCE X-300M
Compact Operating Instructions, 05/2023, A5E02630801-14
Electrical data: Power supply
Redundant
power supply
unit
No
No
Electrical data: Current consumption and power loss
Electrical data: Overcurrent protection
Overcurrent protection of the power supply
Non-replaceable fuse
3 A / 32 V
3 A / 32 V
Electrical data: Signaling contact
Voltage via signaling
contact
12 VDC / 24 VDC
24 VDC
8.2 Connectors and electrical data
4 x modular
(2 ports per slot)
The values correspond to those of the permitted
MM900 media modules and SFP transceivers.
Redundant
power sup‐
ply possible
Yes
Yes Rated voltage
Voltage range
Permitted voltage
range incl. total rip‐
ple
Current consumption
1.4 A
0.7 A
Switching capacity (re‐
sistive load)
Max. 100 mA
Max. 100 mA
Technical data
Power supply
12 VDC
(10.6 to 32 VDC) *
)
24 VDC
19.2 to 28.8 VDC
18 to 32 VDC
Effective power loss
16.6 W
16.6 W
Resistor between
F1-F2
< 8 Ω
55